1981 Ford Thunderbird Drivetrains
Find Your Specific 1981 Ford Thunderbird Drivetrains
Below you will find various in-demand Ford Drivetrains, components and accessories for your 1981 Thunderbird. Advance Auto Parts has popular Thunderbird parts like Drive Shafts and Axles, Universal Joints, Differentials and more. You’ll also find aftermarket and OEM Drivetrains for other Thunderbird model years including
1993,
1994,
1995,
1996,
1997,
2002,
2003,
2004,
2005 and more. Select a category of 1981 Ford Thunderbird Drivetrains below and start saving instantly.
Popular 1981 Ford Thunderbird Drivetrains Categories
Essential Drivetrains for 1981 Ford Thunderbirds
Richmond Gear – RngPnn (Part No.69-0368-1)
from
$577.99
RngPnn
Yukon Gear – 1350 U/Joint With Zerk Fitting (Part No.42010)
from
$51.99
Yukon 1350 U/Joint with zerk fitting. 3.625″ snap ring span, 1.118″ cap diameter. Outside snap ring.
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Dorman – Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (sold by each) (Part No.615-075)
from
$6.99
This spindle nut retainer is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this spindle nut retainer matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this retainer is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Spindle Washer – I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (sold by each) (Part No.618-013)
from
$1.99
This spindle nut washer is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this spindle nut washer matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Yukon Gear – Yoke (Short, For Daytona Support) For Ford 9" With 28 Spline Pinion And A 1310 U/Joint Size (Part No.41056)
from
$319.99
Yukon yoke (short, for Daytona support) for Ford 9″ with 28 spline pinion and a 1310 U/joint size. 3.219″ snap ring span, 1.062″ cap diameter. Outside snap ring. 4″ length. All Yukon yokes come with a one year warranty against manufacturing defects.
Product Features:
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Product Features:
- Fits Ford 9″
- 28 spline
- 1310 u-joint size
- 3.219″ snap ring span
- 1.062″ cap diameter
- Outside snap ring design
- U-bolt style
Yukon Gear – Flat Side Gear Without Hub For 8" And 9" Ford With 28 Splines (Part No.16164)
from
$51.99
Flat side gear without hub for 8″ and 9″ Ford with 28 splines.
Product Features:
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Product Features:
- Side gear without hub
- Fits Ford 8″ and 9″ Trac Loc positraction with 28 spline axles
Yukon Gear – 8.8" Ford Tracloc Clutch Set (Carbon), Both Sides, 2003-2010 Cobra Svt (Part No.16104)
from
$342.99
8.8″ Ford TracLoc clutch set (Carbon), both sides, 2003-2010 Cobra SVT.
Product Features:
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Product Features:
- Clutch kit
- Fits Ford 8.8″ trac Loc positraction
- Carbon fiber clutches
National – Bearings (Part No.FC-66998)
from
$10.79
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
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Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Available in both caged design and full complement
- Industry leading coverage
- Professional technicians know they can depend on National
Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)
from
$59.99
Product Features:
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- Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
- Interlocking design makes installation much easier
Dorman – Prevailing Torque Spindle Nut M24-2.0 Hex Size 36mm (sold by each) (Part No.615-098)
from
$13.29
This spindle nut is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this spindle nut matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this nut is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Valvoline – DEXRON – VI ATF Full Synthetic Automatic Transmission Fluid, 1 Quart (Part No.822405)
from
$14.49
Valvoline DEXRON-VI/MERCON LV ATF is a full-synthetic transmission fluid formulated with advanced additive technology to meet and exceed the requirements of the General Motors DEXRON-VI specification. It is officially licensed and approved by GM and is fully back-serviceable and can be used wherever DEXRON-II and/or DEXRON-III are recommended. Recommended for use in the following applications: DEXRON-VI, DEXRON-III, DEXRON-II, and Allison C-4.
Product Features:
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Product Features:
- Formulated with full-synthetic base stocks and advanced additive technology to meet the challenging demands of automatic transmissions
- Enhanced anti-shudder protection for smooth shifting and maximum power transfer
- Developed with anti-wear technology to help improve transmission durability
- Engineered with a proprietary blend of base oils and advanced additives to provide better oil flow at low temperatures and greater film protection at higher temperatures
Driveworks – Taper Bearing Cup (Part No.S-HM-88610)
from
$6.49
Value-priced bearing meets all cataloged application requirements.
Product Features:
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Product Features:
- Brand may vary by location
Motive Gear – Differential Crush Sleeve (Part No.B7A4662A)
from
$3.29
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)
from
$5.99
This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Yukon Gear – Cover Bolt For Ford 7.5", 8.8" & 9.75" (Part No.33554)
from
$6.99
Yukon 1541H alloy replacement rear axle for Dana 60, 70, and 80, 35 spline. (40″ to 43.5″) Full float axle (8×3.96″ ). Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a full-floating axle.
Product Features:
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Product Features:
- 35 spline
- 8 x 3.96″ bolt pattern
- Cut to length design fits 40″-43.5″ applications
- Fits Dana Spicer 60, 70 and 80
Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.SS9)
from
$45.99
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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FAG US – TAPERED ROLLER BEARI (Part No.KT47)
from
$28.99
TAPERED ROLLER BEARI
Yukon Gear – The Carrier Bearing Puller (Part No.56072)
from
$883.99
The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to one ton applications including Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.
Product Features:
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Product Features:
- Carrier bearing puller
- Works with an impact gun to safely and easliy remove carrrier bearings
Powertrax – Lock Right Locker (Part No.1830-LR)
from
$444.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles. Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction. Powertrax® = Extreme Traction Systems!
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Spicer – Universal Joint (Part No.5-1310X)
from
$35.99
You expect a lot from your vehicle, and Spicer Life Series (SPL) universal joints deliver. SPL universal joints consistently outperform competitors, so you can hit the road or trail with confidence. Check out the difference that SPL universal joints can make in your vehicle, and make sure you’re getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.
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Yukon Gear – Master Overhaul Kit For Ford Daytona 9" Lm603011 Differential (Part No.14058)
from
$339.99
Yukon Master Overhaul kits give you all the high quality parts you need to start & finish every differential job. Yukon offers more tailor-made kits than any other manufacturer in the industry to meet your specific installation needs. This kit uses carrier bearings & races with an I.D. of 1.780″ and an O.D. of 3.062″. This kit uses Timken bearings and races along with high quality seals and small parts. Included in this kit are carrier bearings and races, pinion bearings and races, pilot bearing, pinion seal, complete shim kit, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), Thread locking compound, and marking compound with brush. Yukon’s Master Overhaul kits are the most comprehensive and complete kits on the market. They do extensive research to ensure that every kit is specially tailored to your application.
Product Features:
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Product Features:
- Fits Ford 9″ with LM603011 carrier races and Daytona pinion support
- Included are Timken bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, pilot bearing, thread locker, marking compound with brush, and gasket.
National – Bearings (Part No.A-17)
from
$15.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
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Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
Yukon Gear – Pinion Gear And Thrust Washer (0.750" Shaft) For 8.8" Ford (Part No.33297)
from
$8.99
Pinion gear thrust washer (0.750″ shaft) for 8.8″ Ford.
Product Features:
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Product Features:
- Pinion gear thrust washer
- Fits Ford 8.8″
- 0.750″ I.D.
Motive Gear – Differential Pinion Shim Kit (Part No.WAA4663)
from
$15.99
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Yukon Gear – Trac Loc Ring Gear Bolt Washer For 8" And 9" Ford (Part No.33245)
from
$3.99
Trac Loc ring gear bolt washer for 8″ and 9″ Ford.
Product Features:
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Product Features:
- Ring gear bolt for Ford 8″ and 9″
- For Trac Loc positraction applications only
Yukon Gear – Standard Open Spider Gear Kit For 8.8" Ford With 31 Spline Axles (Part No.16021)
from
$299.99
Yukon standard open spider gear kit for 8.8″ Ford with 31 spline axles and 7/8″ pin. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.
Product Features:
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Product Features:
- Spider gear kit
- Fits Ford 8.8″ with 31 spline axles
- Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
- 0.875″ cross pin shaft diameter
Yukon Gear – Pinion Nut (Part No.33154)
from
$7.99
Pinion nut for Ford 7.5″, 8″, 8.8″, 9 3/8″ & 9″. 1 1/6″ socket, 3/4″ x 20 thread.
Product Features:
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Product Features:
- Pinion nut for Ford 7.5″, 8″ and 9″
- 3/4″ x 20 thread
- 1 1/6″ socket
Dorman – Help – Driveshaft Flange Bolts (Part No.80992)
from
$20.29
This drive shaft bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this engine mount bolt matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this drive shaft bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Upgrade your 1981 Ford Thunderbird with Top-Quality Drivetrains
When it comes to maintaining or upgrading your 1981 Ford Thunderbird, nothing is more important than using high-quality OEM or aftermarket parts that you can trust. Whether you’re repairing damage to your Ford or enhancing its overall performance, Drivetrains are key to keeping your Thunderbird functioning at its best. At Advance Auto Parts, we offer a wide selection of 135 Drivetrains for the 1981 Ford Thunderbird, designed to meet your needs without breaking the bank.
From
Drive Shafts and Axle
replacements to
Universal Joints
upgrades, we’ve got you covered with parts that fit your vehicle perfectly and ensure long-lasting performance.
Affordable Prices and Wide Selection
Shopping for Drivetrains for any vehicle can be a hassle, especially if you’re on a budget. But with Advance Auto Parts, you can find high-quality Drivetrains for your 1981 Ford Thunderbird at great prices.
Our Drivetrains inventory for this model
ranges from just $0.99 to $1,566.99, with
an average price of $121.54.
Our 135 Drivetrains in stock come from 16 trusted brands, so you’re sure to find the right part for your 1981 Ford Thunderbird without overspending.
Top Brands and High Customer Satisfaction
Advance Auto Parts takes pride in offering only the best brands in the automotive industry. For your 1981 Ford Thunderbird, we stock popular OEM and aftermarket Drivetrains from top names
like Spicer, Moog, Driveworks, and more.
Spicer Drivetrains
start at just $28.99 and boast an impressive 5 stars average rating from customers.
Moog and Driveworks also bring quality to the table, with Drivetrains available starting at $4.79, and at an average 4 stars rating.
With 946 customer reviews and counting, our 1981 Ford Thunderbird Drivetrains have a strong track record of reliability, ensuring you can trust your purchase.
Explore Related Parts and More
While you’re here, don’t forget to check out other essential categories that go hand in hand with Drivetrain upgrades. Explore related part types like Batteries and Chargers, Oil and Lubricants
and more to make sure your 1981 Ford Thunderbird is always ready to roll. We’re committed to providing you with everything you need to keep your Thunderbird in top shape, all in one place.
Start shopping confidently below for your 1981 Ford Thunderbird!
Best-Selling Drive Shafts and Axles for 1981 Ford Thunderbirds
Enhance the driving experience in your Ford with 21 quality Drive Shafts and Axle components, starting at $1.99.
Driveworks – Oil Seal (Part No.S-8660S)
from
$5.49
Value-priced seal meets all cataloged application requirements.
Product Features:
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Product Features:
- Brand may vary by location
Dorman – Help – Driveshaft Flange Bolts (Part No.80992)
from
$20.29
This drive shaft bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this engine mount bolt matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this drive shaft bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Spicer – Universal Joint (Part No.5-1310X)
from
$35.99
You expect a lot from your vehicle, and Spicer Life Series (SPL) universal joints deliver. SPL universal joints consistently outperform competitors, so you can hit the road or trail with confidence. Check out the difference that SPL universal joints can make in your vehicle, and make sure you’re getting the longer life, increased bearing capacity and lower maintenance costs that Spicer Life Series (SPL) can provide.
See More
National – Bearings (Part No.FC-66998)
from
$10.79
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
See More
Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Available in both caged design and full complement
- Industry leading coverage
- Professional technicians know they can depend on National
National – Shaft Repair Sleeve (Part No.99174)
from
$45.49
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
National – Multi Purpose Seal (Part No.714569)
from
$14.49
National has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Low swell in hydrocarbon fluids
- Design type: spring loaded; multi-lip
- Provides good low temperature capability
- Temperature range: -40°F to 225°F; -40°C to 107°C
- Delivers quality and reliable performance for every type of repair
National – Bearings (Part No.A-17)
from
$15.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
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Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
Driveworks – Axle Repair Bearing (Part No.S-RP-5707)
from
$16.49
Value-priced bearing meets all cataloged application requirements.
Product Features:
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Product Features:
- Brand may vary by location
Yukon Gear – R1563Tav Rear Axle Bearing And Seal Kit (Part No.10004)
from
$42.99
Yukon axle bearing & seal kits are specially designed for each application & use all high quality bearings & seals. R1563TAV axle bearing and seal kit, TorringtonBrand, 2.250″ OD, 1.400″ ID. This axle bearing & seal kit services one side only.
Product Features:
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Product Features:
- Includes axle bearing and seal
- Services one side
- Torrington Brand
- 2.250″ O.D.
- 1.400″ I.D.
Yukon Gear – Ford 7.5" C/Clip, Tracloc & Standard Open (Part No.33080)
from
$8.99
Ford 7.5″ C/clip, TracLoc & standard Open.
Product Features:
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Product Features:
- c-clip for Ford 7.5″
- Fits standard open and Trac Loc applications
- Not compatible with Auburn Gear positraction
Yukon Gear – The Carrier Bearing Puller (Part No.56072)
from
$883.99
The Yukon carrier bearing Puller works with an impact gun to quickly and safely remove carrier bearings without damaging them. This unit comes with a handy bench top stand and works with up to one ton applications including Dana 70HD, Dana 80, 10.25″ & 10.5″ Ford, or GM & Chrysler 11.5″ differentials.
Product Features:
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Product Features:
- Carrier bearing puller
- Works with an impact gun to safely and easliy remove carrrier bearings
FAG US – AXLE SHAFT REPAIR BE (Part No.DR0148K)
from
$64.99
AXLE SHAFT REPAIR BE
Yukon Gear – 7.5" C/Clip, Ag Positraction (Part No.33079)
from
$47.99
7.5″ C/clip, AG positraction
Product Features:
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Product Features:
- C-clip
- Fits Ford 7.5″ with Auburn Gear positraction
Spicer – SPICER U-JOINT (Part No.5-1310-1X)
from
$44.99
SPICER U-JOINT
FAG US – AXLE BEARING (Part No.FC67147)
from
$36.49
AXLE BEARING
FAG US – CONE (Part No.KL68149)
from
$13.99
CONE
FAG US – BEARING (Part No.BR1682)
from
$12.49
BEARING
Driveworks – Axle Shaft Seal (Part No.S-714569)
Yukon Gear – Axle Seal For 5707 Or 1563 Bearing (Part No.30196)
from
$6.99
Axle seal for 5707 OR 1563 bearing.Yukon Mighty seal.
Product Features:
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Product Features:
- Rear axle seal
- 2.250″ O.D.
FAG US – SHAFT SEAL (Part No.SS2468)
from
$5.19
SHAFT SEAL
Pro-King – Axle Seal (Part No.721A074)
from
$1.99
Pro-King is the leading supplier of transmission and driveline products in the aftermarket.
Product Features:
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Product Features:
- All products are designed to meet or exceed OE quality, form, fit and funtion.
Most Popular 1981 Ford Thunderbird Universal Joints
Customize your Ford with 8 Universal Joints products
like U-Joints, all
priced under $32.99.
Spicer – Universal Joint (Part No.5-153X)
from
$28.99
When you see the Spicer name, you know you are buying the highest quality product available. Spicer universal joints are no exception. Dana manufactures a full line of Spicer universal joints that are engineered to ensure longer life for vehicles.
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MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.369)
from
$19.99
Backed by superior materials and rigorous testing, MOOG Heavy Duty universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.
Product Features:
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Product Features:
- BUILT TO LAST — Rugged design specifically engineered for fleets, off-highway and commercial vehicles
- STRONG AND DURABLE — Bearing cups are cold-formed, case-hardened and precision ground for strength and durability
- KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
- GREASEABLE DESIGN — Drilled and tapped grease fitting holes for easy servicing and cross trunnions with large grease reservoirs with radial grease channels for grease distribution
- INHIBITS PREMATURE WEAR — Cross trunnions ground to a 15-25 RMS finish for a smooth surface free of microscopic grooves that can cause premature wear
- RELIABLE PERFORMANCE — Internal anti-drainback valve integrated into thrust washer controls lubrication flow and prevents dry startup
- RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
MOOG Driveline Products – Non-Greaseable Super Strength Universal Joint (Part No.269)
from
$32.99
Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.
Product Features:
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Product Features:
- BUILT TO LAST — Rugged design specifically engineered for applications with higher torque and horsepower
- COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
- CORROSION PROTECTION — Exclusive MICRO SHIELDΓ┐ó coating protects against rust and corrosion
- KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
- RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
- STRONG AND DURABLE — Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
MOOG Driveline Products – Greaseable Super Strength Universal Joint (Part No.280)
from
$32.99
Backed by superior materials and rigorous testing, MOOG Super Strength universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.
Product Features:
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Product Features:
- BUILT TO LAST — Rugged design specifically engineered for applications with higher torque and horsepower
- COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
- CORROSION PROTECTION — Exclusive MICRO SHIELDΓ┐ó coating protects against rust and corrosion
- GREASABLE DESIGN — Bearing cups feature a radial design to allow 360 Degrees lubricant distribution to all bearing surfaces
- KEEPS DIRT OUT — Abrasion-resistant nitrile seals provide ideal grease retention and protection from under-vehicle contaminants
- RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
- STRONG AND DURABLE — Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
Driveworks – Universal Joint (Part No.DW-369)
from
$15.99
DRIVEWORKS Universal Joints are designed to meet or exceed OE fit, form, and function. These universal joints are set to provide superior quality and easy installation. DRIVEWORKS Universal Joints are constructed from quality materials for extended durability. DRIVEWORKS Universal Joints are pre-lubricated with premium grease to provide a longer service life. The grease fittings are pre-installed to allow for easy maintenance (where applicable).
Product Features:
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Product Features:
- The cross is hot forged for the higher torque and horsepower
- The bearing cups are made by cold forging, having higher strength and better rigidity
- Bearig cups allow 360 lubricant distribution to bearing surfaces, and are precision-ground for maximum load-carrying capabilities
- Lubrication grooves designed to ensure grease penetration to entire journal and needle bearings
- Grease fitting in the cross allows for easy maintenance and the flexible use of the whole assembly
- Snap rings are held to strict tolerances to ensure proper cup position and retention
- Nitrile rubber seals to optimize grease retention and reduce contamination
Neapco – Universal Joint (Part No.1-0154)
Neapco – Universal Joint (Part No.1-5900)
MOOG Driveline Products – Greaseable Premium Universal Joint (Part No.379)
from
$25.99
Backed by superior materials and rigorous testing, MOOG Premium universal joints deliver reliable performance you can count on. MOOG problem-solving innovations ensure fast, hassle-free installation.
Product Features:
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Product Features:
- COMPREHENSIVE COVERAGE — Available for foreign and domestic nameplates
- GREASABLE DESIGN — Greasable u-joints allow for new grease to flush out contaminants and moisture
- KEEPS DIRT OUT — Nitrile rubber grease seals use a compressed double lip design for effective protection against contaminants
- RIGOROUS TESTING — Comprehensive testing throughout design and development processes by MOOG engineers for quality you can count on
- STRONG AND DURABLE — Bearing cups are cold-forged, case-hardened and precision ground while steel cross is forged and carburized heat treated for strength and durability
- Cross forging shape and flash provide easier installation and high strength
Top Picks for 1981 Ford Thunderbird Differentials
Upgrade Ford Thunderbirds with top-quality Differentials parts, including 96 OEM and aftermarket selections for your 1981 model.
Motive Gear – Differential Pinion Shim Kit (Part No.1100)
from
$7.49
High-quality Differential Component Shim
Product Features:
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Product Features:
- SHIM KIT FITS-8.25-F7.5-AMC20-GM0
Motive Gear – Differential Master Bearing Kit – Koyo (Part No.R7.5FRMK)
from
$112.99
Motive Gear Differential Bearing Kits Include Front & Rear Pinion Bearing, Pinion Seal, Carrier Bearings, Pilot Bearing Where Applicable, Gear Marking Compound, Crush Sleeve, Pinion Nut, Brush, Thread Locking Compound And Cover Gasket Or Rtv
Product Features:
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Product Features:
- FORD 7.5″ MASTER BEARING KIT
Powertrax – Lock Right Locker (Part No.1830-LR)
from
$444.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.Powertrax® = Extreme Traction Systems!
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National – Bearings (Part No.M802048)
from
$23.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
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Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
Dorman – Help – Differential Shaft Lock Bolt (Part No.81048)
from
$5.99
This differential pinion shaft lock bolt is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this differential pinion shaft lock bolt matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this bolt is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Felpro – Differential Cover Gasket (Part No.RDS 55393)
from
$6.49
Fel-Pro gaskets offer 100% vehicle sealing with application-specific materials to give you sealing solutions with the performance and durability professionals trust
Product Features:
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Product Features:
- Meets or exceeds all original equipment specifications
- Application specific design to ensure a perfect fit
- Unsurpassed quality you can trust
- Validated for fit, form and function
- Each Fel-Pro gasket, no matter how small, is engineered to exacting standards with proprietary design, engineering and manufacturing processes
Motive Gear – Differential Pinion Nut (Part No.379570S)
from
$6.49
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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National – Shaft Repair Sleeve (Part No.99157)
from
$37.49
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
Driveworks – Oil Seal (Part No.S-3604)
from
$4.79
Value-priced seal meets all cataloged application requirements.
Product Features:
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Product Features:
- Brand may vary by location
Yukon Gear – 3 Qt – 80W90 Conventional Gear Oil With Posi Additive (Part No.15003)
from
$57.99
3 Qt. Penzoil 80W90 conventional gear Oil. W/ bottle of Posi additive.
Product Features:
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Product Features:
- Includes three quarts of conventional oil and one 4oz bottle of Yukon positraction additive
Yukon Gear – Cover Bolt For Ford 7.5", 8.8" & 9.75" (Part No.33554)
from
$6.99
Yukon 1541H alloy replacement rear axle for Dana 60, 70, and 80, 35 spline. (40″ to 43.5″) Full float axle (8×3.96″ ). Yukon 1541H alloy axles offer a strength increase over stock while retaining a low cost. Yukon 1541H alloy rear axles come with a one year warranty against manufacturing defects. This is a full-floating axle.
Product Features:
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Product Features:
- 35 spline
- 8 x 3.96″ bolt pattern
- Cut to length design fits 40″-43.5″ applications
- Fits Dana Spicer 60, 70 and 80
Dorman – Help – Pinion Crush Sleeves (Part No.81056)
from
$5.99
This differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles, and is engineered for durability and reliable performance.
Product Features:
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Product Features:
- Direct replacement – this differential crush sleeve is designed to match the fit and function of the original sleeve on specified vehicles.
- Required replacement – when servicing the differential
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Driveworks – Tapered Roller Bearing (Part No.S-M-802048)
Driveworks – Taper Bearing Cup (Part No.S-LM-501314)
from
$7.29
Value-priced bearing meets all cataloged application requirements.
Product Features:
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Product Features:
- Brand may vary by location
Yukon Gear – Crush Sleeve (Part No.33085)
from
$9.99
Crush Sleeve for Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9 3/8″, 9″ & 9.75″. .480″ long.
Product Features:
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Product Features:
- Crush sleeve for AMC Model 20, Ford 10.25″, 10.5″, 7.5″, 8.8″, 9″ and 9.75″
- 0.480″ tall
Yukon Gear – Outer Oil Slinger For Ford 7.5", 8.8", 9", 10.25" (Part No.33022)
from
$8.99
Replacement outer oil slinger for Ford 7.5″, 8.8″, 9″, 10.25″, Nissan Titan rear, Dana 44 Rubicon & 44 JK non-Rubicon.
Product Features:
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Product Features:
- Outer oil slinger for Ford 10.25″, 7.5″, 8.8″ and 9″ also Jeep JK and Nissan Titan rear
Yukon Gear – Ford 7.5" & 8.8" Ring Gear Bolt, Standard Open & Tracloc (Part No.33053)
from
$5.99
Ford 7.5″ & 8.8″ ring gear bolt, standard Open & TracLoc. 7/16″ x 20.
Product Features:
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Product Features:
- Ring gear bolt for Ford 7.5″ and 8.8″
- 7/16″ x 20
Yukon Gear – Pinion Nut (Part No.33154)
from
$7.99
Pinion nut for Ford 7.5″, 8″, 8.8″, 9 3/8″ & 9″. 1 1/6″ socket, 3/4″ x 20 thread.
Product Features:
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Product Features:
- Pinion nut for Ford 7.5″, 8″ and 9″
- 3/4″ x 20 thread
- 1 1/6″ socket
Motive Gear – Ring Gear Bolt (Part No.D5AZ4216A)
Yukon Gear – Redline Synthetic "Shock Proof" Oil With Positraction Additive – 4 Quarts (Part No.15005)
from
$148.99
Redline Synthetic “Shock Proof” Oil with positraction Additive. 4 Quarts.
Product Features:
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Product Features:
- Includes four quarts of Redline Shockproof oil and one 4oz bottle of Yukon positraction additive
USA Standard Gear – Standard Spider Gear Set For Ford 7.5" (Part No.39014)
from
$156.99
Spindle nut washer for Dana 28, ’92 & down. This replaces Spicer part number 40075.
Product Features:
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Product Features:
- Spider gear kit
- Fit Ford 7.5″ open differential
- Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
Yukon Gear – Pinion Depth Shims For GM 8.25" IFS, 8.5", 12 Bolt Car, Ford 8.8" & Chrysler 8.25" (Part No.55009)
from
$27.99
8.25″ IFS, 8.5″, 12P, 7.5″ F, 8.8″ F, 8.25″ Chrysler pinion shim kit.
Product Features:
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Product Features:
- Pinion depth shims for GM 8.25″ IFS, 8.5″, 8.6″, 12 bolt passenger car, Ford 7.5″ and 8.8″, Chrysler 8.25″
Yukon Gear – DiffrlCover (Part No.32364)
from
$99.99
DiffrlCover
Motive Gear – Differential Crush Sleeve (Part No.B7A4662A)
from
$3.29
All Motive Gear products are engineered for their specific application and manufactured in state of the art facilities. All of our products undergo rigid quality control processes to insure proper fit, performance and longevity. Motive Gear products can be found in the winners circle at NHRA, IHRA, NMRA, NMCA, SODA, SCORE, BITD, Ultra-4 and NASCAR events because we offer unmatched selection and quality demanded by racers and their crew chiefs – the same quality and selection demanded by DIY customers and top mechanics. With four warehouses strategically located across North America, most Motive Gear orders arrive within 2-4 days. Win with Motive Gear!
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Yukon Gear – Redline Synthetic "Shock Proof" Oil – 3 Quarts (Part No.15000)
from
$99.99
Redline Synthetic “Shock Proof” Oil. 3 Quarts.
Product Features:
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Product Features:
- Includes three quarts of Redline Shockproof oil
Yukon Gear – Redline Synthetic "Shock Proof" Oil – 4 Quarts (Part No.15004)
from
$137.99
Redline Synthetic “Shock Proof” Oil. 4 Quarts.
Product Features:
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Product Features:
- Includes four quarts of Redline Shockproof oil
Yukon Gear – Crush Sleeve Eliminator Kit For Ford 8.8" & 7.5" (Part No.55040)
from
$96.99
2 piece solid spacer for Ford 8.8 and 7.5.
Product Features:
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Product Features:
- Crush sleeve eliminator kit for Ford 7.5″ and 8.8″
Motive Gear – Differential Carrier Gear Kit (Part No.F7.5BI)
Yukon Gear – Chrome Cover For 7.5" Ford (Part No.32008)
Motive Gear – Axle Shaft (Part No.MG1231)
from
$143.99
The Motive Gear replacement axle shaft offers an OE-quality axle shaft at a fraction of the OE cost. Manufactured from 1541H material on high-tolerance CNC equipment, this axle shaft is designed to provide a perfect fit every time.
Product Features:
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Product Features:
- AXLE SHAFT 8.8″ 28 SPL. 29 1/4″ 79-93 MUSTANG L & R
Yukon Gear – 8.5" & 8.2" GM Carrier Installation Kit (Part No.57008)
from
$109.99
Yukon Carrier installation kits are great, low cost kit for carrier changes such as Positraction or locker upgrades. Carrier installation kit for GM 8.2″ & 8.5″ differential. This kit contains carrier bearings, races and shims.
Product Features:
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Product Features:
- Fits GM 7.5″, 7.625″ 8.2″ and 8.5″
- Includes carrier bearings and races and “super” carrier shim kit
Spectre – Differential Cover (Part No.6073)
from
$52.99
Spectre’s Differential Covers are made to OEM specifications and are triple chrome plated for a lasting shine. Designed to protect the intricate moving parts of the differential, Spectre’s covers add an extra layer of protection to the vehicle’s underside. Featuring a 10-bolt design and fits the following vehicles with 7.5 inch ring gears: 1979-2003 Ford Mustang/Capri V8, 1982-2003 Ford Ranger, 1984-1997 Ford Aerostar, 1982-1992 Ford Bronco II, and 1994-2003 Mazda 2300/3000 differentials. Includes 10 SAE standard chrome bolts for installation. You’ll need to supply your own bolts if your application requires metric bolts.
Product Features:
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Product Features:
- 10 chrome 5/16 inch -18 x 3/4 inch differential cover bolts
- 10-bolt design
- Triple chrome plated for a lasting shine
- Precision engineered for a perfect fit
Yukon Gear – Trac Loc Spring For Ford 7.5" (Part No.33514)
from
$67.99
The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 in
Product Features:
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Product Features:
- Trac Loc spring
- Fits Ford 7.5″
Yukon Gear – Un-Notched Cross Pin Shaft For 7.5" Ford – Oem, Not Auburn Gear (Part No.33330)
from
$36.99
Un-notched cross pin shaft for 7.5″ Ford. OEM, not Auburn gear.
Product Features:
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Product Features:
- Cross pin shaft for Ford 7.5″
- 3.45 and down ratios only
Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4104)
Yukon Gear – Standard Open & Tracloc Pinion Gear And Thrust Washer For 7.5" Ford (Part No.33296)
from
$10.99
Standard Open & TracLoc pinion gear thrust washer for 7.5″ Ford.
Product Features:
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Product Features:
- Pinion gear thrust washer
- Fits Ford 7.5″
Motive Gear – Differential Ring and Pinion (Part No.F7.5-308)
Motive Gear – Differential Ring and Pinion (Part No.F7.5-373)
Motive Gear – Differential Ring and Pinion (Part No.F7.5-410)
Dorman – Rear Axle Shaft, Left or Right (Part No.630-228)
from
$242.99
Axle shaft damaged or bearings worn out? This axle shaft directly replaces the original equipment on certain vehicles, complete with all necessary application-specific installation components.
Product Features:
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Product Features:
- Direct replacement – this axle shaft replaces the original equipment on specific vehicle years, makes and models.
- Complete kit – each shaft includes critical installation hardware and components needed for specific vehicle applications.
- Durable construction – designed to rigorous standards and tested to ensure performance
- Trustworthy solution – backed by team of engineers and quality control specialists in the United States
Yukon Gear – Pinion Install Kit For Ford 7.5" Differential (Part No.13039)
from
$184.99
Yukon Pinion installation kits are a terrific solution for gear installation on lower mileage vehicles where the carrier bearings & races can be reused. This kit uses Timken bearings and races along with a high quality pinion seal and small parts. Included in this kit are the pinion bearings and races, pilot bearing (if applicable), crush sleeve (if applicable), complete pinion shim kit, thread locker, and marking compound with brush. Yukon does extensive research for each application to make sure your kit will arrive with all the correct parts you need to install your pinion gear.
Product Features:
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Product Features:
- Fits Ford 7.5″
- Included are pinion bearings and races, pinion seal, pinion nut, crush sleeve, complete pinion shim kit, and marking compound with brush.
USA Standard Gear – Master Overhaul Kit for the Ford 7.5 Differential (Part No.37027)
from
$199.99
USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket.
Product Features:
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Product Features:
- Fits Ford 7.5″
- Uses Koyo bearings and races
- Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve, thread locker, marking compound with brush and gasket.
Yukon Gear – Super Carrier Shim Kit For Ford 7.5", GM 7.5", 8.2" & 8.5" (Part No.55001)
from
$59.99
Product Features:
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- Super carrier shim kit for Ford 7.5″, GM 7.5″, 7.625″, 7.6″ IFS, 7.6″ IRS, 7.75″, 8.2″, 8.2″ Buick, Oldsmobile and Pontiac and GM 8.5″ front and rear
- Interlocking design makes installation much easier
ARP Auto Racing – For Use With Ford 8.8 And 9" Using 3/4"Socket, 0.75"L Under Head, 7/16"-20 (Part No.250-3003)
from
$34.99
The tremendous shock loads generated at launch by most any drag racing vehicle equipped with today sticky tire compounds or the acceleration and deceleration of oval track cars put considerable strain on the ring gear. For this reason, the fastener experts at ARP have developed the Pro Series ring gear bolts. they are forged from premium grade 8740 chrome moly steel and are heat treated to a nominal rating of 200,000 PSI tensile strength. Specially hardened, precision ground washers are included where required. Available to fit most any ring gear setup ranging from popular 9 Inch Ford GM 10 and 12 bolt rear ends to the beefy strange differentials found in top fuel and funny car applications.
Product Features:
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Product Features:
- Forged From Premium Grade 8740 Chrome Moly Steel
- Heat Treated
- Nominally Rated At 200,000 Psi Tensile Strength
- Specially Hardened, Precision Ground Washers
- 0.75″ Underhead Length
- 200,000 PSI
- Sold As A Set
Yukon Gear – 7.5" Ford Notched Cross Pin Shaft (Part No.33430)
from
$84.99
7.5″ Ford notched cross pin shaft. Not Auburn gear. This cross pin shaft is not compatible with Powertrax Lock Rights or Spartan Lockers.
Product Features:
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Product Features:
- Notched cross pin shaft for Ford 7.5″
- 3.73 and up ratios
- Not compatible with Spartan Locker or Powertrax Lock Right
Yukon Gear – Tracloc Clutch Set (Two Sides) For 7.5" Ford (Part No.16013)
from
$264.99
TracLoc clutch set (two sides) for 7.5″ Ford.
Product Features:
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Product Features:
- Clutch kit
- Fit Ford 7.5″ Trac Loc positraction
Yukon Gear – Standard Open Spider Gear Kit For 7.5" Ford With 28 Spline Axles (Part No.16014)
from
$214.99
Yukon standard open spider gear kit for 7.5″ Ford with 28 spline axles. Yukon uses higher quality materials and better techniques than OEM to ensure a longer lasting spider gear set. All components come with a one year warranty against manufacturing defects.
Product Features:
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Product Features:
- Spider gear kit
- Fit Ford 7.5″ open differential
- Includes two side gears, two pinion gears, cross pin shaft, cross pin bolt and spider gear thrust washers.
Yukon Gear – Bearing Race Driver Set, 21 Piece (Part No.56030)
from
$1566.99
21 Piece bearing race driver set. (Box wt: 140lbs) No return.
Product Features:
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Product Features:
- Bearing race driver set
- 21 pieces
- All steel construction
In-Demand Spindles for 1981 Ford Thunderbirds
Select from 5 premium Spindles parts for your 1981 Ford Thunderbird, with prices ranging from $1.99 to $6.99.
Dorman – Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (Part No.615-075.1)
from
$3.29
This spindle nut retainer is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this spindle nut retainer matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this retainer is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Standard Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (Sold by each) (Part No.615-074)
from
$4.49
This spindle nut is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this spindle nut matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this nut is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Spindle Nut 13/16 In.-20 Hex Size 1-1/8 In. (sold by each) (Part No.615-075)
from
$6.99
This spindle nut retainer is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this spindle nut retainer matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this retainer is a reliable replacement for an original part that is missing or has failed due to fatigue
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Spindle Washer – I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (Part No.618-013.1)
from
$4.29
This spindle nut washer is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this spindle nut washer matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Dorman – Spindle Washer – I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (sold by each) (Part No.618-013)
from
$1.99
This spindle nut washer is designed to match the fit and function of the original part on specified vehicles. Made of quality materials, it is engineered for reliable performance.
Product Features:
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Product Features:
- Direct replacement – this spindle nut washer matches the fit and function of the factory part on specified years, makes and models.
- Ideal solution – this washer is a reliable replacement for an original part that is missing or has failed due to wear
- Durable construction – this part is made from quality materials to ensure reliable performance and long service life
- Trustworthy quality – backed by team of product experts in the United States and more than a century of automotive experience
Most Sold 1981 Ford Thunderbird Transfer Cases
Explore our best-selling Ford parts for the 1981 Thunderbird among 5 OEM and aftermarket options starting from $10.49.
National – Bearings (Part No.M88048)
from
$15.99
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
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Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Bearings (Part No.M88010)
from
$10.49
National Oil Seals & Bearings offer a full line of premium oil seals and bearings.
Product Features:
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Product Features:
- Premium bearing design matches OEM specifications
- Precision manufactured using premium-grade steel for outstanding durability and performance
- Crowned raceways and rollers to ensure even load distribution for maximum life
- Industry leading coverage
- Professional technicians know they can depend on National
National – Shaft Repair Sleeve (Part No.99199)
from
$37.99
National® has built a reputation as one of the most respected names in the industry. We have offered premium sealing solutions for more than 75 years. Our design team keeps pace with the industry and provides advanced solutions for today’s vehicles.
Product Features:
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Product Features:
- Designed to repair damaged, grooved or worn shafts
- Durable stainless steel construction for corrosion-free sealing surface that surpasses most original shaft specifications
- Ideal for a shaft where indications of seal wear, such as tracks or grooves have developed
- Ultra-thin construction (0.01/0.25mm wall thickness) allows original seal size to be used with minimal additional lip loading
- Easy to install with removable flange and installation tool
- Installation tool reduces sleeve distortion and allows for installation without removal from the shaft
FAG US – BEARING CONE (Part No.KLM12749)
from
$13.29
BEARING CONE
FAG US – CUP (Part No.M88010)
from
$11.29
CUP
Top-Rated Drivetrains Brands For Your 1981 Ford Thunderbird
Shop for the best-rated brands offering Drivetrains and other products for your 1981 Ford Thunderbirds. Below you’ll find some of our best rated Drivetrains from Spicer, Moog, and Driveworks, and more. Drivetrains from these brands that fit a 1981 Thunderbird start at just $4.79 and are rated as high as 5 stars. OEM and aftermarket Drivetrains don’t get more top quality, durable, and affordable than from the brands below.
Popular Spicer 1981 Ford Thunderbird Drivetrains
When it comes to maintaining or upgrading your 1981 Ford Thunderbird, using quality Drivetrains is essential to ensure durability and a perfect fit. Spicer ticks all of those boxes. We offer a wide selection of Spicer Drivetrains, specifically designed for the 1981 Ford Thunderbird. With over 3 Spicer brand Drivetrains in stock, you’re sure to find what you need. The prices for these top-notch parts start as low as $28.99, with an average price of just $36.66. Plus, with over 14 customer reviews and an average rating of 5 stars, you can trust that our Spicer Drivetrains will get the job done right. Choose Advance Auto Parts for reliability, quality, and expert-approved parts that keep your vehicle running strong.
from
$35.99
$35.99
(2)
“I use this on a 4×4 off-road. It’s always a tough trade-off between the greaseable and non-greasable u-joints. The non-greaseable is stronger. The”
from
$28.99
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“No problems with Installation and appears to be quality part! Great for my old School Street Car!”
Popular Moog 1981 Ford Thunderbird Drivetrains
Moog auto parts is one of the highest quality Drivetrain brands in the market. Any 1981 Ford Thunderbird owner should feel confident when installing genuine Moog parts in their vehicle. To ensure the best fit and performance for your 1981 Thunderbird, Advance Auto Parts carries a full inventory of 4 Moog Drivetrains. Plus you will be keeping your Ford in peak condition while saving money because prices on these Moog Drivetrains range from $19.99 to $32.99, plus, with more than 147 customer reviews and an impressive 4 stars average rating, you can be confident the Fram Drivetrains below will deliver on both quality and value.
FAQs for 1981 Ford Thunderbird Drivetrains
Which Drivetrains are best-sellers for 1981 Ford Thunderbirds?
Out of 135 Drivetrains that fit 1981 Ford Thunderbirds, the following parts are the top sellers:
- Universal Joint (10265714) – $15.99
- Oil Seal (5441617) – $5.49
- Universal Joint (10855076) – $28.99
What’s the price range for 1981 Ford Thunderbird Drivetrains?
Drivetrain prices for the 1981 Ford Thunderbird start at $0.99 and go up to $1,566.99 for the most premium parts.
What’s the average price of a Drivetrain for a 1981 Ford Thunderbird?
The average price for Drivetrains for the 1981 Ford Thunderbird is $121.54. Keep in mind the variety of part types within our Drivetrain category so you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Drivetrains for other Ford Thunderbird model years?
What are the cheapest Drivetrains for my 1981 Ford Thunderbird?
The cheapest 1981 Ford Thunderbird Drivetrains we carry in stock are:
- Differential Ring Gear Bolt (10282257) – $0.99
- Ring Gear Bolt (20520509) – $1.99
- Spindle Washer – I.D. 13/16 In. O.D. 1-21/32 In. Thickness 3/32 In. (sold by each) (22148784) – $1.99
- Axle Seal (10593098) – $1.99
- Differential Cross Shaft (10282201) – $2.79
What are the top-rated Drivetrains that fit the 1981 Ford Thunderbird?
Out of 946 reviews by customers, our 1981 Ford Thunderbird Drivetrains have an average customer rating of . These are some of the highest-rated Drivetrain types for the 1981 Ford Thunderbird and their top-rated products:
- Universal Joints
- Universal Joint (10855076) – $28.99
- Greaseable Premium Universal Joint (10086900) – $19.99
- Greaseable Super Strength Universal Joint (10086944) – $32.99
- Differentials
- Universal Joint (10855076) – $28.99
- Greaseable Premium Universal Joint (10086900) – $19.99
- Greaseable Super Strength Universal Joint (10086944) – $32.99
What types of Drivetrains do you sell for my 1981 Ford Thunderbird?
As of 2/5/25, these are some of the most in-demand types of Drivetrains for a 1981 Ford Thunderbird:
Can I get help with 1981 Ford Thunderbird Drivetrain orders?
Contact our customer support team, by chat or phone, through the help desk page, where you can find instant answers about Ford Drivetrains and more.
What is your return policy for Ford Thunderbird Drivetrains?
Advance Auto Parts keeps returns simple. For new Ford Thunderbird Drivetrains and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.
